Standard

ETSI TR 103 966

Published

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Abstract

The present document explores issues around combining traditional and post-quantum algorithms to construct hybrid cryptographic schemes. Specifically, the present document examines some of the reasons for proposing and adopting hybrid schemes, both for key establishment and digital signatures; clarifies some of the terminology used to describe hybrid schemes; discusses some of the security, efficiency, and agility trade-offs; highlights some important things to consider when selecting algorithm and parameter combinations; explores some potential deployment and migration issues; and identifies situations where hybrid schemes will need to be deprecated in favour of purely post-quantum algorithms. The present document does not provide guidance on whether or not to use hybrid schemes.

Document information

  • Standard from ETSI_AC
  • Published:
  • Version: 0
  • Document type: IS
  • Additional information
    • V1.1.1